Metal detecting machine



FIG. 1 is a perspective view of a metal detecting machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines depict portions of the metal detecting machine in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a metal detecting machine, as shown and described. 